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authorDavid Howells <dhowells@redhat.com>2016-04-07 19:23:51 +0300
committerDavid S. Miller <davem@davemloft.net>2016-04-11 22:34:41 +0300
commit648af7fca15901740c7aaafd55904ebd54d01860 (patch)
tree5aaa5a3d4b192da7bc9bb268d39038c60c068125 /net/rxrpc/ar-internal.h
parent6dd050f88d702e2718bd856ea014487563207756 (diff)
downloadlinux-648af7fca15901740c7aaafd55904ebd54d01860.tar.xz
rxrpc: Absorb the rxkad security module
Absorb the rxkad security module into the af_rxrpc module so that there's only one module file. This avoids a circular dependency whereby rxkad pins af_rxrpc and cached connections pin rxkad but can't be manually evicted (they will expire eventually and cease pinning). With this change, af_rxrpc can just be unloaded, despite having cached connections. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/rxrpc/ar-internal.h')
-rw-r--r--net/rxrpc/ar-internal.h21
1 files changed, 16 insertions, 5 deletions
diff --git a/net/rxrpc/ar-internal.h b/net/rxrpc/ar-internal.h
index d38071b09f72..72fd675a891e 100644
--- a/net/rxrpc/ar-internal.h
+++ b/net/rxrpc/ar-internal.h
@@ -124,11 +124,15 @@ enum rxrpc_command {
* RxRPC security module interface
*/
struct rxrpc_security {
- struct module *owner; /* providing module */
- struct list_head link; /* link in master list */
const char *name; /* name of this service */
u8 security_index; /* security type provided */
+ /* Initialise a security service */
+ int (*init)(void);
+
+ /* Clean up a security service */
+ void (*exit)(void);
+
/* initialise a connection's security */
int (*init_connection_security)(struct rxrpc_connection *);
@@ -268,7 +272,7 @@ struct rxrpc_connection {
struct rb_root calls; /* calls on this connection */
struct sk_buff_head rx_queue; /* received conn-level packets */
struct rxrpc_call *channels[RXRPC_MAXCALLS]; /* channels (active calls) */
- struct rxrpc_security *security; /* applied security module */
+ const struct rxrpc_security *security; /* applied security module */
struct key *key; /* security for this connection (client) */
struct key *server_key; /* security for this service */
struct crypto_skcipher *cipher; /* encryption handle */
@@ -604,8 +608,8 @@ int rxrpc_recvmsg(struct socket *, struct msghdr *, size_t, int);
/*
* ar-security.c
*/
-int rxrpc_register_security(struct rxrpc_security *);
-void rxrpc_unregister_security(struct rxrpc_security *);
+int __init rxrpc_init_security(void);
+void rxrpc_exit_security(void);
int rxrpc_init_client_conn_security(struct rxrpc_connection *);
int rxrpc_init_server_conn_security(struct rxrpc_connection *);
int rxrpc_secure_packet(const struct rxrpc_call *, struct sk_buff *, size_t,
@@ -646,6 +650,13 @@ extern const s8 rxrpc_ack_priority[];
extern const char *rxrpc_acks(u8 reason);
/*
+ * rxkad.c
+ */
+#ifdef CONFIG_RXKAD
+extern const struct rxrpc_security rxkad;
+#endif
+
+/*
* sysctl.c
*/
#ifdef CONFIG_SYSCTL